To ensure maximum effectiveness, use foam concentrates __________ the specific percentage for which they are intended to be proportioned.
A. within 10% greater than
B. only at
C. plus or minus 5% of
D. within plus or minus 2% of
Answer: B. only at
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Prior to laying out a job site, potential hazards are identified through the use of a _____
a. job hazard analysis b. company-wide survey c. lawyer d. safety data sheet
In LANs, _________ manage traffic congestion by employing a flow-control mechanism to direct traffic to alternative paths and provide protocol conversion when needed
A. gateways B. formats C. switches D. routers
In the hopscotch method, you follow a ____ procedure.
a. step-by-step b. localized c. multi-location d. logic
A(n) ____________________ is designed to clear the crankshaft counterweights on engines with short strokes.
Fill in the blank(s) with the appropriate word(s).